title: Analysis of occurrence of venous thromboembolic disease in the four seasons.
mesh_terms: D000704:Analysis of Variance; D006801:Humans; D015994:Incidence; D011655:Pulmonary Embolism / Q000453:epidemiology*; D012621:Seasons; D014481:United States / Q000453:epidemiology; D020246:Venous Thrombosis / Q000453:epidemiology*